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- W2009379706 abstract "This paper presents an algorithm based on the generalized Hough transform (GHT) to enhance geological structures in a 2D profile image constructed from ground-penetrating radar data. The proposed algorithm is applied over an edge representation image of the radargram; its local application (in Windows) allows us to identify structures and to obtain a global image delimiting the subsurface structures of interest. To show and validate the program, it was applied to two experimental cases: the first one is a profile of volcanic stratigraphic structures, and the second one consists of three buried pipes. The GHT algorithm enhances the main geological structures for both examples. Due to the use of a monostatic antenna in the case of buried pipes, a proper velocity analysis could not be done. As a consequence, the radargram remained under-migrated leaving some traces of diffraction hyperbola tails. These traces were detected by the GHT; therefore, a robust algorithm was designed to adjust a circle over these hyperbola traces. This secondary algorithm is called ‘circular structure determination’." @default.
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- W2009379706 date "2012-08-22" @default.
- W2009379706 modified "2023-10-02" @default.
- W2009379706 title "Image-radargram analysis based on generalized Hough transform: experimental cases" @default.
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- W2009379706 doi "https://doi.org/10.1088/1742-2132/9/5/558" @default.
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